Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 03:48

General

  • Target

    ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar

  • Size

    265KB

  • MD5

    d480c8eef4a045e9595f8d6364891e4c

  • SHA1

    82be46d99b9514607f1f150d4df0fd15996e5f9f

  • SHA256

    ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379

  • SHA512

    43d2d4c7621b9c262435a0723d207f0d500d29b6ac01e538a91e9d424964fec26593fb37760714e9e8fc3d483e722920f61d81c243b7230cb755bb1584b72891

  • SSDEEP

    6144:0QSTmxKpIc5rvE7kJVRYeJTsdFAgesC+yZdgJ4:/UF57wyqeJTs0hzc4

Malware Config

Extracted

Family

strrat

C2

chongmei33.publicvm.com:44662

jinvestments.duckdns.org:44662

Attributes
  • license_id

    khonsari

  • plugins_url

    http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5

  • scheduled_task

    true

  • secondary_startup

    true

  • startup

    true

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Strrat family
  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4056
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2060
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4932
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2284
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3580
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3428
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:956
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4280
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2800
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4568
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:3016

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3683012150251379430.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3442511616-637977696-3186306149-1000\83aa4cc77f591dfc2374580bbd95f6ba_5ab270f5-f3a9-47d1-97d7-bbd50acf9955

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar

        Filesize

        265KB

        MD5

        d480c8eef4a045e9595f8d6364891e4c

        SHA1

        82be46d99b9514607f1f150d4df0fd15996e5f9f

        SHA256

        ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379

        SHA512

        43d2d4c7621b9c262435a0723d207f0d500d29b6ac01e538a91e9d424964fec26593fb37760714e9e8fc3d483e722920f61d81c243b7230cb755bb1584b72891

      • C:\Users\Admin\lib\jna-5.5.0.jar

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\lib\jna-platform-5.5.0.jar

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\lib\system-hook-3.5.jar

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • memory/3192-220-0x0000019CBA8C0000-0x0000019CBA8C1000-memory.dmp

        Filesize

        4KB

      • memory/4004-103-0x000001DB0E400000-0x000001DB0E410000-memory.dmp

        Filesize

        64KB

      • memory/4004-163-0x000001DB0E3E0000-0x000001DB0E3F0000-memory.dmp

        Filesize

        64KB

      • memory/4004-23-0x000001DB0E350000-0x000001DB0E360000-memory.dmp

        Filesize

        64KB

      • memory/4004-25-0x000001DB0E360000-0x000001DB0E370000-memory.dmp

        Filesize

        64KB

      • memory/4004-26-0x000001DB0E370000-0x000001DB0E380000-memory.dmp

        Filesize

        64KB

      • memory/4004-32-0x000001DB0E380000-0x000001DB0E390000-memory.dmp

        Filesize

        64KB

      • memory/4004-34-0x000001DB0E070000-0x000001DB0E071000-memory.dmp

        Filesize

        4KB

      • memory/4004-40-0x000001DB0E3B0000-0x000001DB0E3C0000-memory.dmp

        Filesize

        64KB

      • memory/4004-43-0x000001DB0E300000-0x000001DB0E310000-memory.dmp

        Filesize

        64KB

      • memory/4004-42-0x000001DB0E3A0000-0x000001DB0E3B0000-memory.dmp

        Filesize

        64KB

      • memory/4004-41-0x000001DB0E3C0000-0x000001DB0E3D0000-memory.dmp

        Filesize

        64KB

      • memory/4004-39-0x000001DB0E390000-0x000001DB0E3A0000-memory.dmp

        Filesize

        64KB

      • memory/4004-38-0x000001DB0E090000-0x000001DB0E300000-memory.dmp

        Filesize

        2.4MB

      • memory/4004-51-0x000001DB0E3F0000-0x000001DB0E400000-memory.dmp

        Filesize

        64KB

      • memory/4004-50-0x000001DB0E320000-0x000001DB0E330000-memory.dmp

        Filesize

        64KB

      • memory/4004-49-0x000001DB0E3E0000-0x000001DB0E3F0000-memory.dmp

        Filesize

        64KB

      • memory/4004-55-0x000001DB0E400000-0x000001DB0E410000-memory.dmp

        Filesize

        64KB

      • memory/4004-58-0x000001DB0E410000-0x000001DB0E420000-memory.dmp

        Filesize

        64KB

      • memory/4004-54-0x000001DB0E340000-0x000001DB0E350000-memory.dmp

        Filesize

        64KB

      • memory/4004-53-0x000001DB0E330000-0x000001DB0E340000-memory.dmp

        Filesize

        64KB

      • memory/4004-48-0x000001DB0E3D0000-0x000001DB0E3E0000-memory.dmp

        Filesize

        64KB

      • memory/4004-47-0x000001DB0E310000-0x000001DB0E320000-memory.dmp

        Filesize

        64KB

      • memory/4004-61-0x000001DB0E350000-0x000001DB0E360000-memory.dmp

        Filesize

        64KB

      • memory/4004-62-0x000001DB0E420000-0x000001DB0E430000-memory.dmp

        Filesize

        64KB

      • memory/4004-67-0x000001DB0E430000-0x000001DB0E440000-memory.dmp

        Filesize

        64KB

      • memory/4004-66-0x000001DB0E360000-0x000001DB0E370000-memory.dmp

        Filesize

        64KB

      • memory/4004-74-0x000001DB0E440000-0x000001DB0E450000-memory.dmp

        Filesize

        64KB

      • memory/4004-75-0x000001DB0E380000-0x000001DB0E390000-memory.dmp

        Filesize

        64KB

      • memory/4004-77-0x000001DB0E450000-0x000001DB0E460000-memory.dmp

        Filesize

        64KB

      • memory/4004-76-0x000001DB0E390000-0x000001DB0E3A0000-memory.dmp

        Filesize

        64KB

      • memory/4004-73-0x000001DB0E440000-0x000001DB0E450000-memory.dmp

        Filesize

        64KB

      • memory/4004-70-0x000001DB0E370000-0x000001DB0E380000-memory.dmp

        Filesize

        64KB

      • memory/4004-89-0x000001DB0E4A0000-0x000001DB0E4B0000-memory.dmp

        Filesize

        64KB

      • memory/4004-88-0x000001DB0E490000-0x000001DB0E4A0000-memory.dmp

        Filesize

        64KB

      • memory/4004-87-0x000001DB0E3A0000-0x000001DB0E3B0000-memory.dmp

        Filesize

        64KB

      • memory/4004-86-0x000001DB0E480000-0x000001DB0E490000-memory.dmp

        Filesize

        64KB

      • memory/4004-85-0x000001DB0E470000-0x000001DB0E480000-memory.dmp

        Filesize

        64KB

      • memory/4004-84-0x000001DB0E460000-0x000001DB0E470000-memory.dmp

        Filesize

        64KB

      • memory/4004-83-0x000001DB0E3C0000-0x000001DB0E3D0000-memory.dmp

        Filesize

        64KB

      • memory/4004-81-0x000001DB0E3B0000-0x000001DB0E3C0000-memory.dmp

        Filesize

        64KB

      • memory/4004-95-0x000001DB0E070000-0x000001DB0E071000-memory.dmp

        Filesize

        4KB

      • memory/4004-96-0x000001DB0E3D0000-0x000001DB0E3E0000-memory.dmp

        Filesize

        64KB

      • memory/4004-98-0x000001DB0E4B0000-0x000001DB0E4C0000-memory.dmp

        Filesize

        64KB

      • memory/4004-97-0x000001DB0E3E0000-0x000001DB0E3F0000-memory.dmp

        Filesize

        64KB

      • memory/4004-100-0x000001DB0E3F0000-0x000001DB0E400000-memory.dmp

        Filesize

        64KB

      • memory/4004-101-0x000001DB0E4C0000-0x000001DB0E4D0000-memory.dmp

        Filesize

        64KB

      • memory/4004-104-0x000001DB0E4D0000-0x000001DB0E4E0000-memory.dmp

        Filesize

        64KB

      • memory/4004-110-0x000001DB0E420000-0x000001DB0E430000-memory.dmp

        Filesize

        64KB

      • memory/4004-105-0x000001DB0E070000-0x000001DB0E071000-memory.dmp

        Filesize

        4KB

      • memory/4004-107-0x000001DB0E410000-0x000001DB0E420000-memory.dmp

        Filesize

        64KB

      • memory/4004-108-0x000001DB0E4E0000-0x000001DB0E4F0000-memory.dmp

        Filesize

        64KB

      • memory/4004-111-0x000001DB0E4F0000-0x000001DB0E500000-memory.dmp

        Filesize

        64KB

      • memory/4004-20-0x000001DB0E340000-0x000001DB0E350000-memory.dmp

        Filesize

        64KB

      • memory/4004-19-0x000001DB0E330000-0x000001DB0E340000-memory.dmp

        Filesize

        64KB

      • memory/4004-166-0x000001DB0E410000-0x000001DB0E420000-memory.dmp

        Filesize

        64KB

      • memory/4004-113-0x000001DB0E430000-0x000001DB0E440000-memory.dmp

        Filesize

        64KB

      • memory/4004-118-0x000001DB0E510000-0x000001DB0E520000-memory.dmp

        Filesize

        64KB

      • memory/4004-120-0x000001DB0E070000-0x000001DB0E071000-memory.dmp

        Filesize

        4KB

      • memory/4004-122-0x000001DB0E450000-0x000001DB0E460000-memory.dmp

        Filesize

        64KB

      • memory/4004-127-0x000001DB0E520000-0x000001DB0E530000-memory.dmp

        Filesize

        64KB

      • memory/4004-126-0x000001DB0E470000-0x000001DB0E480000-memory.dmp

        Filesize

        64KB

      • memory/4004-130-0x000001DB0E530000-0x000001DB0E540000-memory.dmp

        Filesize

        64KB

      • memory/4004-129-0x000001DB0E480000-0x000001DB0E490000-memory.dmp

        Filesize

        64KB

      • memory/4004-128-0x000001DB0E460000-0x000001DB0E470000-memory.dmp

        Filesize

        64KB

      • memory/4004-132-0x000001DB0E490000-0x000001DB0E4A0000-memory.dmp

        Filesize

        64KB

      • memory/4004-133-0x000001DB0E4A0000-0x000001DB0E4B0000-memory.dmp

        Filesize

        64KB

      • memory/4004-134-0x000001DB0E540000-0x000001DB0E550000-memory.dmp

        Filesize

        64KB

      • memory/4004-141-0x000001DB0E070000-0x000001DB0E071000-memory.dmp

        Filesize

        4KB

      • memory/4004-142-0x000001DB0E4B0000-0x000001DB0E4C0000-memory.dmp

        Filesize

        64KB

      • memory/4004-143-0x000001DB0E4C0000-0x000001DB0E4D0000-memory.dmp

        Filesize

        64KB

      • memory/4004-145-0x000001DB0E4D0000-0x000001DB0E4E0000-memory.dmp

        Filesize

        64KB

      • memory/4004-147-0x000001DB0E070000-0x000001DB0E071000-memory.dmp

        Filesize

        4KB

      • memory/4004-148-0x000001DB0E070000-0x000001DB0E071000-memory.dmp

        Filesize

        4KB

      • memory/4004-150-0x000001DB0E300000-0x000001DB0E310000-memory.dmp

        Filesize

        64KB

      • memory/4004-159-0x000001DB0E3F0000-0x000001DB0E400000-memory.dmp

        Filesize

        64KB

      • memory/4004-157-0x000001DB0E370000-0x000001DB0E380000-memory.dmp

        Filesize

        64KB

      • memory/4004-156-0x000001DB0E360000-0x000001DB0E370000-memory.dmp

        Filesize

        64KB

      • memory/4004-155-0x000001DB0E350000-0x000001DB0E360000-memory.dmp

        Filesize

        64KB

      • memory/4004-154-0x000001DB0E340000-0x000001DB0E350000-memory.dmp

        Filesize

        64KB

      • memory/4004-153-0x000001DB0E330000-0x000001DB0E340000-memory.dmp

        Filesize

        64KB

      • memory/4004-152-0x000001DB0E320000-0x000001DB0E330000-memory.dmp

        Filesize

        64KB

      • memory/4004-151-0x000001DB0E310000-0x000001DB0E320000-memory.dmp

        Filesize

        64KB

      • memory/4004-149-0x000001DB0E3A0000-0x000001DB0E3B0000-memory.dmp

        Filesize

        64KB

      • memory/4004-158-0x000001DB0E380000-0x000001DB0E390000-memory.dmp

        Filesize

        64KB

      • memory/4004-160-0x000001DB0E3B0000-0x000001DB0E3C0000-memory.dmp

        Filesize

        64KB

      • memory/4004-174-0x000001DB0E510000-0x000001DB0E520000-memory.dmp

        Filesize

        64KB

      • memory/4004-173-0x000001DB0E500000-0x000001DB0E510000-memory.dmp

        Filesize

        64KB

      • memory/4004-172-0x000001DB0E4F0000-0x000001DB0E500000-memory.dmp

        Filesize

        64KB

      • memory/4004-171-0x000001DB0E4E0000-0x000001DB0E4F0000-memory.dmp

        Filesize

        64KB

      • memory/4004-170-0x000001DB0E470000-0x000001DB0E480000-memory.dmp

        Filesize

        64KB

      • memory/4004-169-0x000001DB0E3C0000-0x000001DB0E3D0000-memory.dmp

        Filesize

        64KB

      • memory/4004-168-0x000001DB0E430000-0x000001DB0E440000-memory.dmp

        Filesize

        64KB

      • memory/4004-167-0x000001DB0E420000-0x000001DB0E430000-memory.dmp

        Filesize

        64KB

      • memory/4004-114-0x000001DB0E440000-0x000001DB0E450000-memory.dmp

        Filesize

        64KB

      • memory/4004-16-0x000001DB0E320000-0x000001DB0E330000-memory.dmp

        Filesize

        64KB

      • memory/4004-15-0x000001DB0E310000-0x000001DB0E320000-memory.dmp

        Filesize

        64KB

      • memory/4004-12-0x000001DB0E300000-0x000001DB0E310000-memory.dmp

        Filesize

        64KB

      • memory/4004-165-0x000001DB0E400000-0x000001DB0E410000-memory.dmp

        Filesize

        64KB

      • memory/4004-164-0x000001DB0E390000-0x000001DB0E3A0000-memory.dmp

        Filesize

        64KB

      • memory/4004-115-0x000001DB0E500000-0x000001DB0E510000-memory.dmp

        Filesize

        64KB

      • memory/4004-162-0x000001DB0E3D0000-0x000001DB0E3E0000-memory.dmp

        Filesize

        64KB

      • memory/4004-161-0x000001DB0E090000-0x000001DB0E300000-memory.dmp

        Filesize

        2.4MB

      • memory/4004-2-0x000001DB0E090000-0x000001DB0E300000-memory.dmp

        Filesize

        2.4MB

      • memory/4932-257-0x0000020966980000-0x0000020966981000-memory.dmp

        Filesize

        4KB

      • memory/4932-271-0x0000020966980000-0x0000020966981000-memory.dmp

        Filesize

        4KB